<template>
	<view v-if="goods_info.goods_name" class="goods_detail_container">
		<!-- 轮播 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,index) in goods_info.pics" :key="index">
				<image @click="preview(index)" :src="item.pics_big"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<view class="price">
				￥{{goods_info.goods_price}}
			</view>
			<view class="goods-info-body">
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
				<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">
				快递：免运费
			</view>
		</view>
		<!-- 图文详情 -->
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- 商品操作导航 -->
		<view class="goods_nav">
			<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		computed:{
			...mapState('m_cart',['cart']),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			// total(newVal){
			// const findResult = this.options.find(x=>x.text==='购物车')
			// if(findResult){
			// 	findResult.info = newVal
			// }
			// }
			total:{
				handler(newVal){
					const findResult = this.options.find(x=>x.text==='购物车')
					if(findResult){
						findResult.info = newVal
					}
					},
					immediate:true
				}
		},
		data() {
			return {
				goods_info:{},
				options: [{
				            icon: 'headphones',
				            text: '客服'
				        }, {
				            icon: 'shop',
				            text: '店铺',
				            infoBackgroundColor:'#007aff',
				            infoColor:"red"
				        }, {
				            icon: 'cart',
				            text: '购物车',
				            info: 0
				        }],
				        buttonGroup: [{
				          text: '加入购物车',
				          backgroundColor: '#ff0000',
				          color: '#fff'
				        },
				        {
				          text: '立即购买',
				          backgroundColor: '#ffa200',
				          color: '#fff'
				        }
				        ]
			}
		},
		methods: {
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
			if(res.meta.status !==200) return uni.showMsg()
			//图片底部有空白间隙的问题
			res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
			this.goods_info = res.message
			},
			preview(index){
				uni.previewImage({
					current:index,
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			onClick(e){
				if(e.content.text ==='购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e){
				if(e.content.text==='加入购物车'){
					// 组织商品对象
					const goodsObj = {
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true,
					}
					// 调用加入购物车的方法:
					this.addToCart(goodsObj)
				}
			}
			
		},
		onLoad(options){
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		}
	}
</script>

<style lang="scss">
	.goods_detail_container{
		padding-bottom: 50px;
	}
swiper{
	height: 750rpx;
	
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 12px;
	padding-right: 0;
	
	.price{
		color: #FF5A5F;
		font-size: 18px;
		margin: 10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 16px;
			margin-right: 10px;
		}
		.favi{
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gary;
		}
	}
	.yf{
		font-size: 12px;
		margin: 10px 0;
		color: gary;
	}
}
.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
</style>
